
Description: VeeCAD is a free, open-source CAD software for 2D/3D design and modeling. It has an intuitive interface and comprehensive toolset for drawing, drafting, and modeling. VeeCAD supports multiple file formats and has features like constraints and measurements for precision design.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: BlackBoard Circuit Designer is a free online tool for designing and simulating digital logic circuits. It allows users to build circuits using logic gates like AND, OR, NOT, flip flops, etc. and see the simulation. It is good for education and learning about digital circuits.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API